Not necessarily, for example: If you subtract 3 from 4, then you get +1. But if you subtract 4 from 3, you get -1. The answer will always be an integer, but you cannot make a general statement about...
subtracting integers with tiles to add integers, we combine group of tiles to subtract integers, we do the reverse: we TAKE AWAY TILES FROM A GROUP recall the equal numbers of red and yellow tiles...